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From: Pedro Trinidad on 13 May 2010 18:21
I dont have any idea how to plot the equation of yield stress ( which is the limit of the elastic range), modeling with this function:
σ y/d = 350[ ( ε _t(subscript) / 210) ^ 0.16 + 1]
where : strain rate (s^-1) = 0.00007, 0.0002, 0.05, 0.8, 4.2, 215, 3500
and : Yield Stresss(MPa) = 345, 362, 419, 454, 455, 633, 831
Using a linear scale for the stress( Vertical Axis) and a logarithmic scale for the strain rate(Horizontal Axis)

I will really appreciate if someone pro can help me with this! Thanks.
From: EE Student on 13 May 2010 20:07
"Pedro Trinidad" <penco82(a)gmail.com> wrote in message <hshu0g$k1u$1(a)fred.mathworks.com>...
> I dont have any idea how to plot the equation of yield stress ( which is the limit of the elastic range), modeling with this function:
> &#963; y/d = 350[ ( &#949; _t(subscript) / 210) ^ 0.16 + 1]
> where : strain rate (s^-1) = 0.00007, 0.0002, 0.05, 0.8, 4.2, 215, 3500
> and : Yield Stresss(MPa) = 345, 362, 419, 454, 455, 633, 831
> Using a linear scale for the stress( Vertical Axis) and a logarithmic scale for the strain rate(Horizontal Axis)
>
> I will really appreciate if someone pro can help me with this! Thanks.


Pedro,

Looks like you have all you need, look up semilogx semilogy and loglog in the help file to do the plot.
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